The genetic and endocrinic basis for differences in form and behavior : as elucidated by studies of contrasted pure-line dog breeds and their hybrids Q Science
Genetics and eugenics; a text-book for students of biology and a reference book for animal and plant breeders Q Science
Genetics and eugenics; a text-book for students of biology and a reference book for animal and plant breeders Q Science
The genus Meliola in Porto Rico, including descriptions of sixty-two new species and varieties and a synopsis of all known Porto Rican forms Q Science
